physics momentum definition
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momentum mo•men•tum. 1. force or speed of movement; impetus, as of a physical object or course of events: a career that lost momentum. 2. Mech. a quantity expressing the motion of a body or system, equal to the product of the mass of a body and its velocity.
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Spacetime mo·men·ta (-tə) or mo·men·tums. 1. Symbol p Physics A quantity used to measure the motion of a body, equal to the product of the body's mass and its velocity. Also called linear momentum. 2.
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- Impulse-Momentum Theorem. Impulse is the change in momentum of an object, and is a vector quantity: j = δ p. Momentum is the product of the mass and the velocity of an object, and is a vector quantity: p = m v.
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- No   Not in classic Newtonian physics.   Momentum is the product of mass and velocity. Kinetic energy is proportional to mass and the square of the velocity. If … an object has non-zero momentum, it must have both non-zero mass and velocity, which means, necessarily, that it has kinetic energy. 3 people found this useful.
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Momentum The momentum of an object is defined as the mass of the object multiplied by the velocity of the object. Mathematically, that definition can be expressed as p = m · v, where p represents momentum, m represents mass, and v represents velocity.
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symmetric encryption A type of encryption where the same key is used to encrypt and decrypt the message. This differs from asymmetric (or public-key) encryption, which uses one key to encrypt a message and another to decrypt the message. PREVIOUSSymbian. NEXTsymmetric-key cryptography.
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Angular momentum In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational analog of linear momentum. It is an important quantity in physics because it is a conserved quantity – the angular momentum of a system remains constant unless acted on by an external torque.elocity of the particle m with respect to the origin O can be resolved into components parallel to (v //) and perpendicular to (v ⊥) the radius vector r. The angular momentum of m is proportional to the perpendicular component v ⊥ of the velocity, or equivalently, to the perpendicular distance r ⊥ from the origin.
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Physics Noun. 1. Newton's second law of motion-the rate of change of momentum is proportional to the imposed force and goes in the direction of the force. Newton's second law, second law of motion. law of motion, Newton's law, Newton's law of motion-one of three basic laws of classical mechanics.
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Angular momentum Angular momentum: Angular momentum, property characterizing the rotary inertia of an object or system of objects in motion about an axis that may or may not pass through the object or system. encyclopÆdia britannica
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Impulse & Momentum Impulse & Momentum. Summary. 1  is a quantity that describes an object's resistance to stopping (a kind of moving inertia). 2  is represented by the symbol p (boldface). 3  is the product of an object's mass and velocity.  is a vector quantity (since velocity is a vector and mass is a scalar).
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Momentum In classical mechanics, linear momentum or translational momentum (pl. momenta; SI unit kg m/s, or equivalently, N s) is the product of the mass and velocity of an object.eing a vector, momentum has magnitude and direction. For example, a 1 kg model airplane, traveling due north at 1 m/s in straight and level flight, has a momentum of 1 kg m/s due north measured from the ground.
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A lunar vehicle is tested on earth at a speed of 10 kmh when it travels as fast on the moon is its momentum more less or the same? The bus has more momentum. Momentum is velocity times mass, if both vehicles are travelling at the same speed then they have the same velocity, but the bus full of people will… have more mass. Therefore the mass component of the bus in the equation will be higher than that of the car, giving a higher overall momentum.
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Momentum In terms of an equation, the momentum of an object is equal to the mass of the object times the velocity of the object. Momentum = mass • velocity In physics, the symbol for the quantity momentum is the lower case p. Thus, the above equation can be rewritten as p = m • v where m is the mass and v is the velocity. The equation illustrates that momentum is directly proportional to an object's mass and directly proportional to the object's velocity. The units for momentum would be mass units times velocity units. The standard metric unit of momentum is the kg•m/s.
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Mass The rest mass of a body is also related to its energy E and the magnitude of its momentum p by the relativistic energy-momentum equation : So long as the system is closed with respect to mass and energy, both kinds of mass are conserved in any given frame of reference.
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Definition of 'momentum' Definition of 'momentum'. momentum. If a process or movement gains momentum, it keeps developing or happening more quickly and keeps becoming less likely to stop. This campaign is really gaining momentum. In physics, momentum is the mass of a moving object multiplied by its speed in a particular direction.
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- Momentum = mass x velocity, so logically, the unit is kg x meter / second.
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Physics Homework Help Impulse is the change in momentum of an object, and is a vector quantity: j = δ p. Momentum is the product of the mass and the velocity of an object, and is a vector quantity: p = m v.
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What Is the Difference Between Relative and Absolute Age? Inertia is a scalar, something that only has a magnitude, and is defined as the resistance of an object to its state of motion, which also includes the state of rest. An object's mass is a measure of its inertia. Momentum is a vector, something that has a magnitude and direction.
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Turbulence Answer #1:   Kinetic energy is the energy possessed by an object due to its  movement   or motion. Momentum on the other hand, is the quantity of motion of  an   … object that is a product of its mass and velocity.
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Momentum Linear momentum is also a conserved quantity, meaning that if a closed system is not affected by external forces, its total linear momentum cannot change. In classical mechanics, conservation of linear momentum is implied by Newton's laws.It also holds in special relativity (with a modified formula) and, with appropriate definitions, a (generalized) linear momentum conservation law holds in electrodynamics, quantum mechanics, quantum field theory, and general relativity.his fact, known as the law of conservation of momentum, is implied by Newton's laws of motion. Suppose, for example, that two particles interact. Because of the third law, the forces between them are equal and opposite. If the particles are numbered 1 and 2, the second law states that F1 = dp1/dt and F2 = dp2/dt.
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What is impulse in physics? In cases where the mass of the object in question remains constant, the impulse can also be equal to the momentum of that object. Momentum is found by taking the product of the mass and the velocity. The concepts of impulse and momentum are commonly related through collisions. The basic rationale is that a collision produces a change in momentum, which leads to the impulse of a force. When the mass is constant, impulse can be found through the following equation: mass x (final velocity) - mass x (initial velocity).
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- Momentum and impulse are related quantities. Momentum is a measure of the strength of an object as well as how hard it is to change the motion of an object. Impulse is the change of momentum of an object when the object is acted upon by a force for an interval of time.
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momentum Define momentum: a property of a moving body that the body has by virtue of its mass and motion and that is equal to the… — momentum in a sentence a property of a moving body that the body has by virtue of its mass and motion and that is equal to the product of the body's mass and velocity; …
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Momentum and Collisions Review FALSE-No. Momentum is momentum and energy is energy. Momentum is NOT a form of energy; it is simply a quantity which proves to be useful in the analysis of situations involving forces and impulses. b. TRUE-If an object has momentum, then it is moving.
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CONTENTS Linear momentum, P, is defined as the mass, m, of an object multiplied by its velocity, v, so: P = mv. Units: kgms -1 or Ns. (Sometimes momentum is given the symbol M). Momentum is a vector.
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- The fluid momentum is equal to the mass times the velocity of the fluid. Since the fluid is moving, defining the mass gets a little tricky. If the mass of fluid were brought to a halt, it would occupy some volume in space; and we could define its density to be the mass divided by the volume.
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Angular momentum In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum. It is an important quantity in physics because it is a conserved quantity – the total angular momentum of a system remains constant unless acted on by an external torque.